Form4insider filings, from the source

Insider · CIK 0001473289

Thomas J Seifert

Files at: NET, IPGP, GEN. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $29.1M · 8net −$29.1M
$10k$10k$1M$1M$100M$100MbuyssalesDec 2016Jul 2018Mar 2020Oct 2021Jun 2023Jan 2025Sep 2026

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 17, 2026 SForm 4 →Sep 21, 4:50 pm EDTCloudflare, Inc.NET10,000$332.46$3,324,617107,902−8.48%10b5-1
Sep 17, 2026 CForm 4 →Sep 21, 4:50 pm EDTCloudflare, Inc.NET10,000——117,902—10b5-1
Sep 15, 2026 FForm 4 →Sep 15, 7:07 pm EDTCloudflare, Inc.NET2,944$327.23$963,365107,902—
Aug 17, 2026 SForm 4 →Aug 19, 5:35 pm EDTCloudflare, Inc.NET10,000$307.32$3,073,176110,846−8.27%10b5-1
Aug 17, 2026 CForm 4 →Aug 19, 5:35 pm EDTCloudflare, Inc.NET10,000——120,846—10b5-1
Aug 15, 2026 FForm 4 →Aug 18, 5:00 pm EDTCloudflare, Inc.NET2,944$315.78$929,656110,846—
Aug 4, 2026 SForm 4 →Aug 6, 7:03 pm EDTCloudflare, Inc.NET55,000$300.30$16,516,285113,790−32.6%10b5-1
Aug 4, 2026 MForm 4 →Aug 6, 7:03 pm EDTCloudflare, Inc.NET55,000$44.72$2,459,600168,790—10b5-1
Jul 17, 2026 SForm 4 →Jul 17, 7:01 pm EDTCloudflare, Inc.NET10,000$276.92$2,769,195113,790−8.08%10b5-1
Jul 15, 2026 CFForm 4 →Jul 17, 7:01 pm EDTCloudflare, Inc.NET12,943$281.75$829,190123,790—10b5-1
Jun 17, 2026 SForm 4 →Jun 17, 5:56 pm EDTCloudflare, Inc.NET10,000$232.39$2,323,887116,733−7.89%10b5-1
Jun 15, 2026 CFForm 4 →Jun 17, 5:56 pm EDTCloudflare, Inc.NET12,944$228.48$672,645126,733—10b5-1
Jun 5, 2018 AForm 4 →Jun 7, 4:47 pm EDTIPG PHOTONICS CORPIPGP650$256.25$166,5636,981— plan?
Jun 5, 2017 SForm 4 →Jun 6, 4:02 pm EDTIPG PHOTONICS CORPIPGP2,849$141.47$403,0486,331−31.0% plan?
Jun 5, 2017 MForm 4 →Jun 6, 4:02 pm EDTIPG PHOTONICS CORPIPGP2,355$63.40$149,3079,180— plan?
Jun 1, 2017 SForm 4 →Jun 5, 4:58 pm EDTIPG PHOTONICS CORPIPGP3,950$139.87$552,4875,640−41.2% plan?
Jun 1, 2017 AMForm 4 →Jun 5, 4:58 pm EDTIPG PHOTONICS CORPIPGP4,187$87.87$263,7866,825— plan?
Jan 30, 2017 DMForm 4 →Feb 1, 4:54 pm ESTIPG PHOTONICS CORPIPGP13,934$93.28$1,299,7986,588— plan?
Dec 15, 2016 SForm 4 →Dec 15, 4:44 pm ESTIPG PHOTONICS CORPIPGP990$100.02$99,0206,588−13.1% plan?
Jun 10, 2016 AForm 4 →Jun 14, 1:11 pm EDTSYMANTEC CORPSYMC106,531——242,941— plan?
Jun 1, 2016 AForm 4 →Jun 3, 5:06 pm EDTIPG PHOTONICS CORPIPGP1,896——7,578— plan?
Jun 1, 2016 FForm 4 →Jun 2, 6:00 pm EDTSYMANTEC CORPSYMC18,692$17.31$323,559136,410— plan?
Jun 10, 2015 AForm 4 →Jun 12, 6:20 pm EDTSYMANTEC CORPSYMC71,879——155,102— plan?
Jun 2, 2015 AForm 4 →Jun 4, 5:08 pm EDTIPG PHOTONICS CORPIPGP1,723——5,682— plan? amended
Jun 1, 2015 FForm 4 →Jun 3, 1:25 pm EDTSYMANTEC CORPSYMC6,220$24.70$153,60383,223— plan?

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 17, 2026 CMForm 4 →Sep 21, 4:50 pm EDTCloudflare, Inc.NET30,000——8,925—10b5-1
Aug 17, 2026 CMForm 4 →Aug 19, 5:35 pm EDTCloudflare, Inc.NET30,000——8,925—10b5-1
Aug 4, 2026 MForm 4 →Aug 6, 7:03 pm EDTCloudflare, Inc.NET55,000——500,000—10b5-1
Jul 17, 2026 CMForm 4 →Jul 17, 7:01 pm EDTCloudflare, Inc.NET30,000——8,925—10b5-1
Jun 17, 2026 CMForm 4 →Jun 17, 5:56 pm EDTCloudflare, Inc.NET30,000——8,925—10b5-1
Jun 5, 2018 AForm 4 →Jun 7, 4:47 pm EDTIPG PHOTONICS CORPIPGP1,113——1,113—
Jun 5, 2017 MForm 4 →Jun 6, 4:02 pm EDTIPG PHOTONICS CORPIPGP2,355——2,356—
Jun 1, 2017 AMForm 4 →Jun 5, 4:58 pm EDTIPG PHOTONICS CORPIPGP5,341——2,339—
Jan 30, 2017 MForm 4 →Feb 1, 4:54 pm ESTIPG PHOTONICS CORPIPGP6,967$74.17$516,7544,711—
Jun 1, 2016 AForm 4 →Jun 3, 5:06 pm EDTIPG PHOTONICS CORPIPGP3,002——3,002—
May 9, 2016 AForm 4 →May 11, 6:25 pm EDTSYMANTEC CORPSYMC71,105——43,774—
Jun 2, 2015 AForm 4/A →Jul 7, 4:54 pm EDTIPG PHOTONICS CORPIPGP2,255——2,255—
Jun 2, 2015 AForm 4 →Jun 4, 5:08 pm EDTIPG PHOTONICS CORPIPGP2,134——2,134— amended
May 11, 2015 AForm 4 →May 13, 9:02 pm EDTSYMANTEC CORPSYMC48,804——48,804—